High speed generator rotor oil path air vent
CA 1213301 A · Owner: Sundstrand Corporation · Inventors: Wefel, Jerry D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A rotary electric machine including a stator a, rotor journalled for rotation relative to the stator about an axis of rotation and carrying electrical windings. The rotor includes a fluid inlet spaced from a fluid outlet and a cooling liquid flow path is located in the rotor interconnecting the inlet and the oulet. The liquid flow path is in heat relationship to the windings and at least a part thereof is displaced from the axis of rotation. A gas vent passage is disposed in the rotor to interconnect the inlet and the outlet and is located on the axis of rotation to thereby prevent gas bubbles tending to build from air entrained in the coolant on the axis of rotation.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted October 28, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 28, 2003.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.